Shock-recording device.



H. B. MACPARLND.l

SHOCK RECORDING DEVICE.

APPLICATION FILED 11111.23, 1914.

Patented 12111.19, 1915.

2 SHEETS-SHBET l.

I 71 Ven, 2121 A Qa/ zu? 33M /Q H. B. MACPARLAND.

SHOCK RECORDING DEVICE.'

APPLICATION FILED JAN. 2s, 1914.

1,128,5,145- Patented m19, 1915.

Z SHEETS-SHEET 2.

j? g/ L? iilll'llr STATES y ldrrlllill .im

HELON BMMACFARLAND, 0F CHICAGO, ITJIAIII"4 SCK-RECORDING DEVICE.

Specification of Letters Patint.

Patented Jan. f1.9, 1915.

Application led January 23, 15314..; Serial No. 813,831.'

.pecially intended for use in connection with railway cars and the like, whereby the shocks encountered by the car or cars' be recorded and the nature or extent of the' Vmoved. Fig. 2 isa side elevation of the same, a side of the casing being removed, and a portion -of the casing for the time or record-sheet. operatingC mechanism broken away in order to show the operative connection between said mechanism and the recordsheet holding cylinder or member. Fig.

3 is a vertical sectional view taken. on the line 3-3 oli Fig. l, looking in the direction of the arrows. Fig. il is a detailed sectional view taken on the line 4-4 of Fig. 3, looking in the direction of the arrows. Fig'. 5 is a vertical sectional view taken on the line 5 5 of Fig. t, as indicated by the arrows. Y

In tile particular exempliication of my invention, as disclosed in the drawings, the

device is arranged to be affected by and to record the shocks which may be encountered by the car andare imparted thereto in a direction parallel with the longitudinal axis of the device. s most of the damage, both to the car and to its contents, is usuallyl incurred through shocks caused bv' impact at ,l

theends of the car, and, therefore, shocks transmitted in a direction extendingr longi', #a tudinally of the car, my improved devietis,

intended to be arranged parallel with the longitudinal center line ot' the car; the device being so arranged that it will not interfere with the interior or capacity of the car, andl at thelsame time so` that its proper op eration may not be hindered by the carcontents and yet permit out proper observation thereof; the intent being; also to so incase or house the device that injury or undue tampering' therewith may be prevented.

have illustrated the device inclosed in a proper casing or compartment A, which may be independent of the car-body, or be made a part thereof, and so arranaefl that access to the device may be readily had for the purpose of noting, the result of its operation, or for the purpose of setting or repairing the device. I

In the specific embodiment or" my invention as shown, the device comprises suitable standards as shown at 10, 10, arranged a suliclent distance apart and properly secured in the casing or compartment A by A means of the bolts 11, see Fig. 2. They standards 10, 10 are adapted to receive the longitudinal rod or shaft 12, which is preferably .maintained against either longitudinal or rotatiie movement by any suitable means, such as the set screws 13, which extend through the top of the pillow-blocks or standards 10, 10, as ver j clearly shown in Figs. 1 and. 2. y The rod or shaft 12 may be of any suitable form or shape, being preferably shown rectangular in cross-section, as can more clearly be seen in Figs. 3 and 5.

The rod or shaft 12 isprovided with a weighted member or block 14 of any suitable construction, arranged so as to permit it to slide freely along the rod or shaft 12. In order to permit of the free movement of member 14, lengthwise of rod or shaft 12, the opening through the member 14T may be made larger than the diameter of rod or shaft 12, and thus enable suitable antifriction means being inserted or provided intermediate of the bearing surfaces of the block or member 14, and the rod or shaft 12. In the construction as illustrated in the drawings, 1 have shown the member or block 1e provided with a suiiiciently le may receive thejsl'evLe, or channel inem@- b`er 15 provided "'wthagsuceht number 30 or tension of one spring 35 springs Y 40 ing such, however, that 50 18 is arranged to receive a '55 of arm or member 18. In order of anti-friction members Aor rollers 16 properly journaled therein against longitudinal movement but free to revolve, as very clearly shown inFigs. 4 and The sleeve 5 or member 15 is so constructed that its displacement or longitudinal movement in the opening of member 1% Will be prevented,

as is clearly apparent from Fig. 1. The rollers 16 bear on the top surface of the rod 1o or shaft 12 and permit the weighted mem-` ber 14 to easily slide along the rod or shaft 12. It is evident, however, that the antifriction bearing between the Weighted member 14 and the shaft or rod 12 may be dif- 15 ierently provided; the object of the construction illustrated being to eliminate any friction that might be encountered between the member 14 and the rod or sha't't 12, and hinder the free sliding movement of the former along the latter.

Intermediate of the ends of the rod or shaft 12, and therefore intermediate ofthe pillow-blocks or standards 10 and the opposite sides of block or member 14, I provide resilient controlling means which is illustrated in the nature of coil springs 17, 17, encircling the rod or shaft 12 so as to be x maintained in proper alinenient. lt is apparent Afrom the construction that the force Will be in direct alinement with the force or tension of the other and an equal amount of resistance offered member 14 to its free movement toward either end of the shaft 12. The 17, 17, are preferably of' the same length and strength so that the member or block 14 `will normally be maintained at and returned to a prearranged point or zero position; the nature of the springs bethe Weighted memher 14:, when subject to abnormal conditions, will readily compress the springs and thus provide a vibratory movement or tendency.

The Weighted member orblock 1'1- ispro vided with' a suitable arm or extension 18,

'50 a flange -or collar 22 and a spring 23 arranged intermediate vof flange 22 and the lower en' of sleeve 21, as very clearly shown' in Figs. 2 and 3.

i A record-receiving sheet or strip is arranged so as to be in contact with the point shocks or impacts imparted to the car. timebe maintained in of the pencil 20; andthis record-sheet or strip may be provided with lines or suitable indicia which may determine not only the vnature of the impact or shockrecorded thereon, but also the time When the same Was received.

lt is evident, therefore, that the recordsheet or strip should have movement in a direction transversely of the movement of the pencil; this movement may be either a continuous or an intermittent one, induced by any suitable clock or other operating mechanism.

I have chosen to\illustrate this part of the invention in the nature of a suitable cylinder 2-1, mounted on the end of a shat 25, which has its bearing in the standard 26. The end of the cylinder 24: or the shaft 25, is provided with a pinion 27 which meshes with a pinion 28 mounted on a shaft 29, Whiehlatter has its bearing in a standard 26.

The end of shaft 29 is provided with a spiral gear 80, see-Figs. 1 and 2, which meshes with a Worm gear 31 mounted on a shaft provided with the pinion 32 which is driven by the pinion 33 of ordinary clock mechanism, mounted in the casing B. The pinion 32 is shown meshing with the spring gear 33 oi' clock mechanism and controls the operation ofsaid mechanism when the usual spring is wound up by means of the winding key As ordinary clock mechanism is employed, a detailed description ofxthis part of the device need not be entered into.

The cylinder 24: is so constructed as to. permit a record-sheet 35 to be readily placed thereon; for example, the cylinder 2e may be provided with a longitudinal slot 2d l adapted to receive the ends of the sheet 35 and thereby maintainthe sheet in place.

The operation ofthe specific form of my improved device. as shown in the drawings, is as follows-Ehe device is arranged at a suitable point within 'the car, or a suitable compartment lthereof, and placed so that the .slide-rod or shaft 12 extends in the direction ofthe impacts to which the car may be subjected and which it is intended to record. rThe record-sheet holding cylinder is of such length that it may-receive a'sheet or strip of paperof a Width commensurate with the maximum degree of .movement o member 14 that may be induced through severe IThe record-receiving sheet may be provided With any suitable indicia to denote time as Well as the degree of impactv recorded thereon; it being understood, of coursetthat the recordsheet or strip is provided with a normal or zero point at which the recordinducing means, namely the stylus or pencil 20, will rest during the normal condition of the device. The record-sheet or stripl is moved tween member is; 1

memes with .the pencil or recordinducing means. it is evident that any shocks transmitted in direc-tion iongitndineily ci rod or shaft i2 i @ense She per-.cn di?, ineens of eiong? rod or shet i2, recoidsheet 35 secured .seeing iine about eJ L i or morir. to he mede on the sheet to opposite sides the zerov point,-

indiceted in e iengtii of erik indicating e of :oree or netrne oi" the impact; .i e point where theA indicating line et mark is mede, with referenceto lthe direc'- tion in *which the record A will indicate the timewhen thel'ehcckwe received. A Y l lily infent'io s especiniigy" adapted fernen n in connection with either reight orpessen' ger cere, mii provide n `record of vthe,

time neil es the'netnreo the various shocks, especie-.ily those in excess of e prede? termined degree, that have heen encounvnfy the'cer transit, thus en deling jor-oper parties 'to determine. Whether or notn 'f cieims for breakage or ei? the eee, of cereees'inenwhich the shipment was sent.

wiii he onder @Jood 'i course, that frs, or y record 3; ineens is 'i end retnrned to neri-oei or position, is @refereniy o nature that the devi-ee wir! noi'. he too be adapted mereiy record sh "l degree; plojjed to v einM meint i vent enY .rotary movement of me i' i have shown und described what oe iieve to be the simplest and hes-L ferm or my invention.,V it is esoerent that certain modifications be A theseme results, wif o t, however,- departing from s he oS my invention, end 'E se iimiting sheet ismoing, t a

- sind member and arranged to maintain said member et norme! .position 'or return lit myself to the exact construction shown and described.

l. A shock recording device, comprising position, end means for receiving e record sheet or strip, seid means being arranged in presimity to the record inducing portion of seid-member and arranged to move the sheet or strip in a direction trensverseiy-to the movement of seid record inducingportion or the member.

2. A shock recording device, comprising,

e member slidablyvmounted and provided with e' record inducing portion, sprin mechanism varranged oIr opposite sidee o thereto, e record sheet holding cylinder arranged in proximity to seid record inducing portion, end means whereby the cjiinder is rotated eft'predetermined intervals in a direction trenserseiy to the movement of the member-a j 3. shock recording'device, comprising e supporting shaft or member adapted to he arranged pereiiei with the direction o' the shocks intended to be recorded, e memhersiidebiy mounted thereon, saidv last mentioned member being provided with e recordinducing portion, --resiiient mechanism arrea'iged on said shaft on opposite sides of and. in nentroiiingf engagement 'with seid second mentioned' member whereby said niemeer may move iengthwise oi3 said shaft ELGN B. MACFARLAND.

Witnesses:

' Geenen Hemmer?,

B. E. Wiomon. 

